System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Thread Spacing Thread Spacing |
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Tip Type Tip Type |
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 | Ball |
Material Material |
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Thread Fit Thread Fit |
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Hardness Hardness |
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Thread Direction Thread Direction |
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 | Right Hand |
Thread Type Thread Type |
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Drive Style Drive Style |
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 | Hex |
Drive Size Drive Size |
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Thumb Screw Head Shape Thumb Screw Head Shape |
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 | Round |
Tip Material Tip Material |
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Round-Head Thumb Screw Profile Round-Head ThumbScrew Profile |
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 | Narrow |
Threading Threading |
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 | Fully Threaded |
Minimum Head Temperature Minimum Head Temperature |
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Head Color Head Color |
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 | Black |
Head Material Head Material |
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About Set Screws
More
About Thumb Screw and Binding Post Materials
More
Ultra-Fine-Thread Plastic-Head Thumb Screws
Fine threads give you precise control. They have a ball bearing tip that adjusts to angled surfaces and minimizes damage from surface contact. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
Optional threaded inserts can be used to install these thumb screws into existing holes.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Tip Dia. | Dia. | Ht. | Max. Temperature, °F | Color | Tensile Strength, psi | Each | |
18-8 Stainless Steel | ||||||||
1/4"-80 | ||||||||
| 3/4" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 000000 |
| 1" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 0000 |
| 1 1/4" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 0000 |
| 1 1/2" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 0000 |
| 2" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 00000 |
| 3" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 00000 |
| 3 1/2" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 00000 |
Ultra-Fine-Thread Ball-Point Set Screws
Fine threads give you precise control. A rolling ball swivels 360° to minimize surface damage and allow for slight adjustments without loosening the screw. Made from 18-8 stainless steel, these set screws are chemical resistant and may be mildly magnetic. To install screws in unthreaded holes, use an optional threaded insert (sold separately). Length listed is the overall length.
For technical drawings and 3-D models, click on a part number.
Tip | ||||||
|---|---|---|---|---|---|---|
| Lg. | Dia. | Material | Drive Size | Hardness | Each | |
1/4"-80 | ||||||
| 3/8" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
| 1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
| 3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
| 1" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
| 1 1/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
| 1 1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
| 1 3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
| 2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
| 2 1/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
| 2 1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
| 2 3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
| 3" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
| 3 1/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
| 3 1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
| 3 3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
| 4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |